2. Refine/revise the approaches through work group reviews: Through a series of bi-monthly meetings with participants from community advisory board (CAB), CKV-A communities, health practitioners and outreach workers, and experts in hepatitis B virus (HBV) and liver cancer education (Juon and Lee), and education and evaluation (Park), the investigators will confirm/specify the approaches of the available materials and develop additional assessment approaches and forms in English.